For backing up of the BIMServer, we also regularly do a manual export of all the bimserver projects. This exports one file per project, which is easy to restore. It's unfortunately not an automatic process, but is easy to do via the Bimserver manager.
Haneef Tayob
Aziz Tayob Architects
AC23 INT rel 3003, OS X 10.14.6 iMac 3.3ghz i5 dual monitor, 24GB RAM